The owner of Minamikaze has invited the girls of Lemon to his home, once there the mood changes drastically.  How can the girls escape?  Squid Girl is suffering from amnesia and everybody is trying to convince her she is an alien, girlfriend, or sister, but what about invader?  The Invasion Club has been formed, join and watch how they systematically invade the city.
Both our souls were lonely, 
so our meeting was destiny.
Unser beider Seelen waren einsam 
und unser Treffen Schicksal.
Nuestras almas estaban solas, así que 
nuestro encuentro fue cosa del destino.
Nuestras almas estaban solas, así que 
nuestro encuentro fue cosa del destino.
Nous possédions toutes les deux
la même âme solitaire…
Nossas duas almas estavam solitárias, 
por isso nosso encontro foi obra do destino.